CN106784648A - The preparation method of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material - Google Patents
The preparation method of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material Download PDFInfo
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- CN106784648A CN106784648A CN201611033917.7A CN201611033917A CN106784648A CN 106784648 A CN106784648 A CN 106784648A CN 201611033917 A CN201611033917 A CN 201611033917A CN 106784648 A CN106784648 A CN 106784648A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of preparation method of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material, the preparation method includes：Step one, multi-walled carbon nano-tubes hydroxylating is scattered in the multi-walled carbon nano-tubes filtration washing after hydroxylating and drying in ionized water, forms aqueous dispersions；Step 2, titanium potassium oxalate, the aqueous dispersions and diglycol are mixed at the first temperature, carry out hydro-thermal reaction；Step 3, the hydrothermal product after hydro-thermal reaction in filtration step two, and the hydrothermal product is calcined in inert gas, the multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material is obtained after cooling.Invention achieves a kind of preparation method of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material is provided, raw material is cheap, process is simple, the technique effect that cycle performance is good, electric conductivity is good, electro-chemical activity is high.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of multi-walled carbon nano-tubes/titanium dioxide compound lithium ion electricity
The preparation method of pond negative material.
Background technology
Many advantages, such as lithium ion battery has that energy density is big, specific power is high, has extended cycle life, widely should obtain
With, and be considered as the most preferable energy supply device of mixed motivity type automobile of future generation and electric motor car.As fossil energy is exhausted, complete
Ball greenhouse effects aggravate, and problems and challenge come one after another, people for cleanliness without any pollution clean energy resource demand also gradually
Increase, and memory device is built using nano-functional material meet more efficient energy conversion and have profound significance.
Graphite by with low cost, the advantages of wide material sources, the master as current commercial Li-ion battery negative material
Originate, but its capacity is low, and theoretical capacity only reaches 372 every gram of MAHs.And because its current potential is differed not with lithium metal
Greatly, dendrite is easily formed in charge and discharge process and causes short circuit, also therefore limit its development at many aspects.
Compared with carbon-based material, and titanium dioxide whether structure or volume will not nearly all be sent out in charge and discharge process
The larger change of life, the cycle performance with security and stabilization higher, and because titanium resource is cheap and is easy to obtain
The features such as obtaining, is described as the electrode material with development prospect.But lack because its electric conductivity is too weak, low-rate capacity is small etc.
Point, limits the practical application of titanium dioxide.
The content of the invention
The present invention provides a kind of preparation method of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material,
The technical problem that battery capacity in the prior art is low, conversion efficiency is low is solved, a kind of multi-walled carbon nano-tubes/bis- of offer have been provided
The preparation method of titanium oxide composite lithium ion battery cathode material, raw material is cheap, process is simple, cycle performance good, electric conductivity
Well, electro-chemical activity technique effect high.
In order to solve the above technical problems, the present invention provides a kind of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion cell
The preparation method of negative material, the preparation method includes：
Step one, multi-walled carbon nano-tubes hydroxylating, by the multi-walled carbon nano-tubes filtration washing after hydroxylating and dry, dispersion
In ionized water, aqueous dispersions are formed；
Step 2, titanium potassium oxalate, the aqueous dispersions and diglycol are mixed at the first temperature, carry out hydro-thermal
Reaction；
Step 3, the hydrothermal product after hydro-thermal reaction in filtration step two, and by the hydrothermal product in inert gas
Middle calcining, obtains the multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material after cooling.
Preferably, multi-walled carbon nano-tubes hydroxylating described in the step one, specially：
0.1-0.5 grams of multi-walled carbon nano-tubes is added in 3-5 moles every liter of salpeter solution, ultrasonic disperse 1 hour.
Preferably, before being scattered in ionized water in the step one, also include：
Condensing reflux, the temperature of the condensing reflux is 60-120 degrees Celsius, and the condensing reflux time is 2-6 hours.
Preferably, in the step one by the multi-walled carbon nano-tubes filtration washing after hydroxylating, specially：
Adopt and be washed with deionized, to filtrate into neutrality.
Preferably, it is scattered in ionized water described in the step one, forms aqueous dispersions, specially：
Ultrasonic disperse is configured to the aqueous dispersions of 1-10 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube.
Preferably, first temperature is specially 40-80 degrees Celsius.
Preferably, in the step 2 by titanium potassium oxalate, the aqueous dispersions and diglycol at the first temperature
Mixing, specially：
Hydroxylating multi-wall carbon nano-tube of the 5-15 milliliters of concentration for 1-10 milligrams every milliliter will be added in every 0.5 gram of titanium potassium oxalate
The aqueous dispersions of pipe, and 3-10 times of the volume that volume is the aqueous dispersions diglycol；
Or,
Hydroxylating multi-wall carbon nano-tube of the 5-15 milliliters of concentration for 1-10 milligrams every milliliter will be added in every 0.5 gram of titanium potassium oxalate
The aqueous dispersions of pipe, and 25-35 milliliters of diglycol.
Preferably, in the step 2 by titanium potassium oxalate, the aqueous dispersions and diglycol at the first temperature
Mixing, specially：
The hydroxyl multi-walled carbon nano-tube that 10 milliliters of concentration are 1 milligram every milliliter will be added in every 0.5 gram of titanium potassium oxalate
Aqueous dispersions, and 30 milliliters of diglycol.
Preferably, the reaction temperature of the hydro-thermal reaction is 150-230 degrees Celsius, and the reaction time is 1-8 hours.
Preferably, the hydrothermal product is calcined in inert gas in the step 3, specially：
The hydrothermal product is calcined in nitrogen, calcining heat is 500 degrees Celsius, calcination time is 0.5-2 hours.
The application has the beneficial effect that：
A kind of preparation side of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material that the present invention is provided
Method, by easily acquisition and principle with low cost in the preparation method, using simple technique, gentle preparation condition system
It is standby to have obtained multi-walled carbon nano-tubes/titanium dioxide compound lithium ion that cycle performance is good, electric conductivity is good, electro-chemical activity is high
Cell negative electrode material；
Further, the multi-walled carbon nano-tubes/composite titania material for being synthesized by hydro-thermal method not only increases dioxy
Change the electric conductivity of titanium, and greatly enhance its cycle performance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only more of the invention
Embodiment.
Fig. 1 is the better embodiment multi-walled carbon nano-tubes of the application one/titanium dioxide composite lithium ion battery cathode material
Preparation method flow chart；
Fig. 2 is lithium ion battery negative multi-walled carbon nano-tubes/composite titania material that the embodiment of the present application one is obtained
Scanning electron microscopy；
Fig. 3 is lithium ion battery negative multi-walled carbon nano-tubes/composite titania material that the embodiment of the present application two is obtained
Scanning electron microscopy；
Fig. 4 is lithium ion battery negative multi-walled carbon nano-tubes/composite titania material that the embodiment of the present application three is obtained
Scanning electron microscopy；
Fig. 5 is 500 cycle lives of the embodiment of the present application one, embodiment two and embodiment three under same current density
Curve map；
Fig. 6 is 100 cycle lives of the embodiment of the present application one, embodiment two and embodiment three under different current densities
Curve map.
Specific embodiment
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
Technical scheme is stated to be described in detail.
A kind of preparation side of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material that the application is provided
Method, by easily acquisition and principle with low cost in the preparation method, using simple technique, gentle preparation condition system
It is standby to have obtained multi-walled carbon nano-tubes/titanium dioxide compound lithium ion that cycle performance is good, electric conductivity is good, electro-chemical activity is high
Cell negative electrode material.
Fig. 1 is referred to, the preparation method includes：
Step one S100, multi-walled carbon nano-tubes hydroxylating, by the multi-walled carbon nano-tubes filtration washing after hydroxylating and drying,
It is scattered in ionized water, forms aqueous dispersions；
Specifically, multi-walled carbon nano-tubes hydroxylating described in the step one, specially：
0.1-0.5 grams of multi-walled carbon nano-tubes is added in 3-5 moles every liter of salpeter solution, ultrasonic disperse 1 hour.
Before being scattered in ionized water in the step one, also include：
Condensing reflux, the temperature of the condensing reflux is 60-120 degrees Celsius, and the condensing reflux time is 2-6 hours.
By the multi-walled carbon nano-tubes filtration washing after hydroxylating in the step one, specially：
Adopt and be washed with deionized, to filtrate into neutrality.
It is scattered in ionized water described in the step one, forms aqueous dispersions, specially：
Ultrasonic disperse is configured to the aqueous dispersions of 1-10 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube.
Step 2 S200, titanium potassium oxalate, the aqueous dispersions and diglycol are mixed at the first temperature, are carried out
Hydro-thermal reaction；
Specifically, first temperature is specially 40-80 degrees Celsius.
Titanium potassium oxalate, the aqueous dispersions and diglycol are mixed at the first temperature in the step 2, is had
Body is：Scheme one, will add hydroxylating many wall carbon of the 5-15 milliliters of concentration for 1-10 milligrams every milliliter in every 0.5 gram of titanium potassium oxalate
The aqueous dispersions of nanotube, and 3-10 times of the volume that volume is the aqueous dispersions diglycol；Scheme two, will be every
5-15 milliliters of concentration is added to be dissipated for the moisture of 1-10 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube in 0.5 gram of titanium potassium oxalate
Liquid, and 25-35 milliliters of diglycol.
Titanium potassium oxalate, the aqueous dispersions and diglycol are mixed at the first temperature in the step 2, is had
Body is：The moisture of the hydroxyl multi-walled carbon nano-tube that 10 milliliters of concentration are 1 milligram every milliliter will be added in every 0.5 gram of titanium potassium oxalate
Dispersion liquid, and 30 milliliters of diglycol.
The reaction temperature of the hydro-thermal reaction is 150-230 degrees Celsius, and the reaction time is 1-8 hours.
Step 3 S300, the hydrothermal product after hydro-thermal reaction in filtration step two, and by the hydrothermal product in inertia
Calcined in gas, the multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material is obtained after cooling.
Resultant multi-wall carbon nano-tube/titanic oxide composite, wherein titanium dioxide depend on CNT nucleating growth, are
Anatase phase titanium dioxide.
The hydrothermal product is calcined in inert gas in the step 3, specially：
The hydrothermal product is calcined in nitrogen, calcining heat is 500 degrees Celsius, calcination time is 0.5-2 hours.
Embodiment one
Fig. 2 is referred to, Fig. 2 is combined for lithium ion battery negative multi-walled carbon nano-tubes/titanium dioxide that the present embodiment is obtained
The scanning electron microscopy of material, while referring to Fig. 5 and Fig. 6.
(1) by 0.1g multi-walled carbon nano-tubes ultrasonic disperse to 3 moles every liter of salpeter solution, 120 degrees Celsius condense back
Stream 5 hours, is cleaned with deionized water suction filtration, until filtrate is into neutrality, 80 degrees Celsius of dryings 8 hours add dried sample
Enter in deionized water, ultrasonic disperse is configured to the aqueous dispersions of 1 milligram every milliliter of hydroxyl multi-walled carbon nano-tube.
(2) 0.5g titanium potassium oxalates are dissipated with the moisture of 10 milliliters of hydroxyl multi-walled carbon nano-tubes of 1 milligram every milliliter of concentration
Liquid and 30 milliliters of diglycols, the moderate-speed mixer under 60 C water baths, to uniform mixed liquor is formed, are then transferred to
In 100 milliliters of high-pressure sterilizing pots, 160 degrees Celsius are reacted 6 hours.
(3) hydrothermal product is centrifuged out, ethanol cleaning, 70 degrees Celsius of dryings 8 hours, then again under nitrogen atmosphere, 500
Degree Celsius calcining 1 hour, obtain lithium ion battery negative multi-walled carbon nano-tubes/composite titania material.
Embodiment 2
Fig. 3 is referred to, Fig. 3 is combined for lithium ion battery negative multi-walled carbon nano-tubes/titanium dioxide that the present embodiment is obtained
The scanning electron microscopy of material, while referring to Fig. 5 and Fig. 6.
(1) by 0.1g multi-walled carbon nano-tubes ultrasonic disperse to 3 moles every liter of salpeter solution, 120 degrees Celsius condense back
Stream 5 hours, is cleaned with deionized water suction filtration, until filtrate is into neutrality, 80 degrees Celsius of dryings 8 hours add dried sample
Enter in deionized water, ultrasonic disperse is configured to the aqueous dispersions of 2 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube.
(2) by the moisture of hydroxyl multi-walled carbon nano-tube that 0.5g titanium potassium oxalates and 10 milliliters of concentration are 1 milligram every milliliter
Dispersion liquid and 30 milliliters of diglycols, the moderate-speed mixer under 60 C water baths, to uniform mixed liquor is formed, are then transferred to
In 100 milliliters of high-pressure sterilizing pots, 160 degrees Celsius are reacted 6 hours.
(3) hydrothermal product is centrifuged out, ethanol cleaning, 70 degrees Celsius of dryings 8 hours, then again under nitrogen atmosphere, 500
Degree Celsius calcining 1 hour, obtain lithium ion battery negative multi-walled carbon nano-tubes/composite titania material.
Embodiment 3
Fig. 4 is referred to, Fig. 4 is combined for lithium ion battery negative multi-walled carbon nano-tubes/titanium dioxide that the present embodiment is obtained
The scanning electron microscopy of material, while referring to Fig. 5 and Fig. 6.
(1) by 0.1g multi-walled carbon nano-tubes ultrasonic disperse to 3 moles every liter of salpeter solution, 120 degrees Celsius condense back
Stream 5 hours, is cleaned with deionized water suction filtration, until filtrate is into neutrality, 80 degrees Celsius of dryings 8 hours add dried sample
Enter in deionized water, ultrasonic disperse is configured to the aqueous dispersions of 4 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube.
(2) by the moisture of hydroxyl multi-walled carbon nano-tube that 0.5g titanium potassium oxalates and 10 milliliters of concentration are 1 milligram every milliliter
Dispersion liquid and 30 milliliters of diglycols, the moderate-speed mixer under 60 C water baths, to uniform mixed liquor is formed, are then transferred to
In 100 milliliters of high-pressure sterilizing pots, 160 degrees Celsius are reacted 6 hours.
(3) hydrothermal product is centrifuged out, ethanol cleaning, 70 degrees Celsius of dryings 8 hours, then again under nitrogen atmosphere, 500
Degree Celsius calcining 1 hour, obtain lithium ion battery negative multi-walled carbon nano-tubes/composite titania material.
The application has the beneficial effect that：
A kind of preparation side of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material that the present invention is provided
Method, by easily acquisition and principle with low cost in the preparation method, using simple technique, gentle preparation condition system
It is standby to have obtained multi-walled carbon nano-tubes/titanium dioxide compound lithium ion that cycle performance is good, electric conductivity is good, electro-chemical activity is high
Cell negative electrode material；
Further, the multi-walled carbon nano-tubes/composite titania material for being synthesized by hydro-thermal method not only increases dioxy
Change the electric conductivity of titanium, and greatly enhance its cycle performance.
It should be noted last that, above specific embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described in detail to the present invention with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention, it all should cover
In the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of preparation method of multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material, it is characterised in that institute
Stating preparation method includes：
Step one, multi-walled carbon nano-tubes hydroxylating, by the multi-walled carbon nano-tubes filtration washing after hydroxylating and dry, be scattered in from
In sub- water, aqueous dispersions are formed；
Step 2, titanium potassium oxalate, the aqueous dispersions and diglycol are mixed at the first temperature, carry out hydro-thermal anti-
Should；
Step 3, the hydrothermal product after hydro-thermal reaction in filtration step two, and the hydrothermal product is forged in inert gas
Burn, the multi-walled carbon nano-tubes/titanium dioxide composite lithium ion battery cathode material is obtained after cooling.
2. preparation method as claimed in claim 1, it is characterised in that multi-walled carbon nano-tubes hydroxyl described in the step one
Change, specially：
0.1-0.5 grams of multi-walled carbon nano-tubes is added in 3-5 moles every liter of salpeter solution, ultrasonic disperse 1 hour.
3. preparation method as claimed in claim 1, it is characterised in that before being scattered in ionized water in the step one, also
Including：
Condensing reflux, the temperature of the condensing reflux is 60-120 degrees Celsius, and the condensing reflux time is 2-6 hours.
4. preparation method as claimed in claim 1, it is characterised in that by the multi-wall carbon nano-tube after hydroxylating in the step one
Pipe filtration washing, specially：
Adopt and be washed with deionized, to filtrate into neutrality.
5. preparation method as claimed in claim 1, it is characterised in that be scattered in ionized water described in the step one, shape
Into aqueous dispersions, specially：
Ultrasonic disperse is configured to the aqueous dispersions of 1-10 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube.
6. preparation method as claimed in claim 1, it is characterised in that first temperature is specially 40-80 degrees Celsius.
7. preparation method as claimed in claim 1, it is characterised in that dissipate titanium potassium oxalate, the moisture in the step 2
Liquid and diglycol mix at the first temperature, specially：
It is 1-10 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube that 5-15 milliliters of concentration will be added in every 0.5 gram of titanium potassium oxalate
Aqueous dispersions, and 3-10 times of the volume that volume is the aqueous dispersions diglycol；
Or,
It is 1-10 milligrams every milliliter of hydroxyl multi-walled carbon nano-tube that 5-15 milliliters of concentration will be added in every 0.5 gram of titanium potassium oxalate
Aqueous dispersions, and 25-35 milliliters of diglycol.
8. preparation method as claimed in claim 7, it is characterised in that dissipate titanium potassium oxalate, the moisture in the step 2
Liquid and diglycol mix at the first temperature, specially：
The moisture of the hydroxyl multi-walled carbon nano-tube that 10 milliliters of concentration are 1 milligram every milliliter will be added in every 0.5 gram of titanium potassium oxalate
Dispersion liquid, and 30 milliliters of diglycol.
9. preparation method as claimed in claim 1, it is characterised in that the reaction temperature of the hydro-thermal reaction is taken the photograph for 150-230
Family name's degree, the reaction time is 1-8 hours.
10. preparation method as claimed in claim 1, it is characterised in that by the hydrothermal product in inertia in the step 3
Calcined in gas, specially：
The hydrothermal product is calcined in nitrogen, calcining heat is 500 degrees Celsius, calcination time is 0.5-2 hours.
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Cited By (5)
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| CN106865604A (en) * | 2017-03-16 | 2017-06-20 | 济南大学 | A kind of preparation method of paper substrate 3 D stereo titanium dioxide nano material |
| CN108183218A (en) * | 2017-12-28 | 2018-06-19 | 长沙善道新材料科技有限公司 | A kind of graphene-titanium dioxide composite negative pole slurry for lithium ion battery and preparation method thereof |
| CN109216660A (en) * | 2018-09-13 | 2019-01-15 | 江汉大学 | A kind of preparation method of metal lithium electrode |
| CN110880589A (en) * | 2019-11-25 | 2020-03-13 | 浙江理工大学 | Carbon nanotube @ titanium dioxide nanocrystal @ carbon composite material and preparation method and application thereof |
| CN111755686A (en) * | 2020-07-07 | 2020-10-09 | 佛山科学技术学院 | Mesoporous titanium dioxide composite carbon nanotube film electrode material and preparation method and application thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865604A (en) * | 2017-03-16 | 2017-06-20 | 济南大学 | A kind of preparation method of paper substrate 3 D stereo titanium dioxide nano material |
| CN108183218A (en) * | 2017-12-28 | 2018-06-19 | 长沙善道新材料科技有限公司 | A kind of graphene-titanium dioxide composite negative pole slurry for lithium ion battery and preparation method thereof |
| CN108183218B (en) * | 2017-12-28 | 2020-11-03 | 湖南金阳烯碳新材料有限公司 | Graphene-titanium dioxide composite negative electrode slurry for lithium ion battery and preparation method thereof |
| CN109216660A (en) * | 2018-09-13 | 2019-01-15 | 江汉大学 | A kind of preparation method of metal lithium electrode |
| CN109216660B (en) * | 2018-09-13 | 2021-06-29 | 江汉大学 | Preparation method of lithium metal electrode |
| CN110880589A (en) * | 2019-11-25 | 2020-03-13 | 浙江理工大学 | Carbon nanotube @ titanium dioxide nanocrystal @ carbon composite material and preparation method and application thereof |
| CN110880589B (en) * | 2019-11-25 | 2021-04-06 | 浙江理工大学 | Carbon nanotube @ titanium dioxide nanocrystal @ carbon composite material and preparation method and application thereof |
| CN111755686A (en) * | 2020-07-07 | 2020-10-09 | 佛山科学技术学院 | Mesoporous titanium dioxide composite carbon nanotube film electrode material and preparation method and application thereof |
| CN111755686B (en) * | 2020-07-07 | 2021-06-15 | 佛山科学技术学院 | Mesoporous titanium dioxide composite carbon nanotube film electrode material and preparation method and application thereof |
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